Vulnerability in Linux
CVE-2024-46801
In the Linux kernel, the following vulnerability has been resolved: libfs: fix get_stashed_dentry() get_stashed_dentry() tries to optimistically retrieve a stashed dentry from a provided location. It needs to ensure to hold rcu lock before it dereference the stashed location to prevent UAF issues. Use rcu_dereference() instead of READ_ONCE() it's effectively equivalent with some lockdep bells and whistles and it communicates clearly that this expects rcu protection.
EPSS: 0.002 (10.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux — versions 07fd7c329839cf0b8c7766883d830a1a0d12d1dd, 6.9, 0
- Linux Linux_kernel — versions 6.11
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2024-46801?
- CVE-2024-46801 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2024-09-18.
- How severe is CVE-2024-46801?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2024-46801 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.